34011643 has 2 divisors, whose sum is σ = 34011644. Its totient is φ = 34011642.

The previous prime is 34011631. The next prime is 34011647. The reversal of 34011643 is 34611043.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34011643 is a prime.

It is equal to p_2090056 and since 34011643 and 2090056 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (34011647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17005821 + 17005822.

It is an arithmetic number, because the mean of its divisors is an integer number (17005822).

Almost surely, 2^34011643 is an apocalyptic number.

34011643 is a deficient number, since it is larger than the sum of its proper divisors (1).

34011643 is an equidigital number, since it uses as much as digits as its factorization.

34011643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 34011643 is about 5831.9501884018. The cubic root of 34011643 is about 323.9981551234.

Adding to 34011643 its reverse (34611043), we get a palindrome (68622686).

The spelling of 34011643 in words is "thirty-four million, eleven thousand, six hundred forty-three".